Table B-1. The Versafec Modcod Set - Comtech EF Data CDM-425 Installation And Operation Manual

ModCod Modulation
00 BPSK
01 QPSK
02 QPSK
03 QPSK
04 QPSK
05 8-QAM
06 8-QAM
07 8-QAM
08 16-QAM
09 16-QAM
10 16-QAM
11 16-QAM
Appendix B

Table B-1. The VersaFEC ModCod Set

Spectral
Code Block size,
efficiency,
Rate kbits
bps/Hz
0.488 0.49 2
0.533 1.07 4.1
0.631 1.26 4.1
0.706 1.41 4.1
0.803 1.61 4.1
0.642 1.93 6.1
0.711 2.13 6.1
0.780 2.34 6.1
0.731 2.93 8.2
0.780 3.12 8.2
0.829 3.32 8.2
0.853 3.41 8.2
B–2
CDM-425 Advanced Satellite Modem
Typical
Eb/No, for
Latency at
BER = 5 x
64 kbps (ms)
10
-8
(dB)
2.4 26
2.2 53
2.7 59
3.4 62
3.8 66
4.6 89
5.2 93
5.6 97
6.3 125
7.0 129
7.5 131
8.0 132
Revision 0
Min. Data Max. Data
Rate, Rate,
CCM mode CCM mode
(kbps) (Mbps)
18 5.7
20 10
23 10
26 10
28 12
35 12
39 12
43 12
53 12
57 14
60 14
62 16
MN-CDM-425